A Synopsis of the American Bats of the Genus Pipistrellus

"A Synopsis of the American Bats of the Genus Pipistrellus" by E. Raymond Hall and Walter W. Dalquest is a scientific publication produced in the mid-20th century. This work focuses primarily on the classification and geographic distribution of American bats belonging to the genus Pipistrellus. The authors provide a detailed examination of four nominal species recognized in North America, discussing their systematic status and making significant contributions based on recent specimen studies. The content of the book details the characteristics of the genus Pipistrellus, highlighting two distinct species—Pipistrellus hesperus and Pipistrellus subflavus. The publication examines their physical traits, such as size, coloration, and anatomical features, while also providing a comparative analysis of their distribution across North America and parts of Mexico. The authors emphasize their principal findings, including the reclassification of some species as subspecies and the identification of previous misclassifications, thereby contributing to the broader understanding of bat taxonomy and ecology in the region.

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